Abstract
The results of a numerical investigation of the crystal rotation effect on the flow stability are presented on a wide Prandtl number (Pr) range. For low Pr the regimes with an elevated stability threshold are determined and the mechanisms of the loss of stability, as the critical values of the Grashof number (Gr) and the rotation velocity are exceeded, are considered. For medium and high Pr the tables of flow regimes are given, the special features of stable nonaxisymmetric helical flows are considered, and the zones of partial flow stabilization are established.
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